15-3r-16=8r+9-6r

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Solution for 15-3r-16=8r+9-6r equation:


Simplifying
15 + -3r + -16 = 8r + 9 + -6r

Reorder the terms:
15 + -16 + -3r = 8r + 9 + -6r

Combine like terms: 15 + -16 = -1
-1 + -3r = 8r + 9 + -6r

Reorder the terms:
-1 + -3r = 9 + 8r + -6r

Combine like terms: 8r + -6r = 2r
-1 + -3r = 9 + 2r

Solving
-1 + -3r = 9 + 2r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-2r' to each side of the equation.
-1 + -3r + -2r = 9 + 2r + -2r

Combine like terms: -3r + -2r = -5r
-1 + -5r = 9 + 2r + -2r

Combine like terms: 2r + -2r = 0
-1 + -5r = 9 + 0
-1 + -5r = 9

Add '1' to each side of the equation.
-1 + 1 + -5r = 9 + 1

Combine like terms: -1 + 1 = 0
0 + -5r = 9 + 1
-5r = 9 + 1

Combine like terms: 9 + 1 = 10
-5r = 10

Divide each side by '-5'.
r = -2

Simplifying
r = -2

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